main/flac: upgrade to 1.4.0

main/libsndfile/APKBUILD

@@ -2,7 +2,7 @@
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=libsndfile
 pkgver=1.1.0
-pkgrel=1
+pkgrel=2
 pkgdesc="C library for reading and writing files containing sampled sound"
 url="https://libsndfile.github.io/libsndfile/"
 arch="all"
@@ -47,6 +47,7 @@ esac
 #     - CVE-2017-8365
 
 build() {
+	CFLAGS="$CFLAGS -flto=auto" \
 	cmake -B build-shared -G Ninja \
 		-DBUILD_SHARED_LIBS=ON \
 		-DCMAKE_BUILD_TYPE=MinSizeRel \